396877 has 4 divisors (see below), whose sum is σ = 427420. Its totient is φ = 366336.

The previous prime is 396871. The next prime is 396881. The reversal of 396877 is 778693.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19881 + 376996 = 141^2 + 614^2 .

It is a cyclic number.

It is not a de Polignac number, because 396877 - 2¹¹ = 394829 is a prime.

It is a super-2 number, since 2×396877² = 315022706258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15252 + ... + 15277.

It is an arithmetic number, because the mean of its divisors is an integer number (106855).

2³⁹⁶⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

396877 is a deficient number, since it is larger than the sum of its proper divisors (30543).

396877 is a wasteful number, since it uses less digits than its factorization.

396877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30542.

The product of its digits is 63504, while the sum is 40.

The square root of 396877 is about 629.9817457673. The cubic root of 396877 is about 73.4883749180.

The spelling of 396877 in words is "three hundred ninety-six thousand, eight hundred seventy-seven".